20173439905

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{68567}}^1$

素因数の和:68773

約数の個数: 24

約数和(自身を含む): 25706417472

約数和(自身を除く): 5532977567

約数列:

[1, 5, 19, 95, 163, 361, 815, 1805, 3097, 15485, 58843, 68567, 294215, 342835, 1302773, 6513865, 11176421, 24752687, 55882105, 123763435, 212351999, 1061759995, 4034687981, 20173439905]

約数ペア:

[(1, 20173439905), (5, 4034687981), (19, 1061759995), (95, 212351999), (163, 123763435), (361, 55882105), (815, 24752687), (1805, 11176421), (3097, 6513865), (15485, 1302773), (58843, 342835), (68567, 294215)]